CN109057046A - The assembled integral beam-column node structure and construction method of additional closure connection reinforcing bar - Google Patents
The assembled integral beam-column node structure and construction method of additional closure connection reinforcing bar Download PDFInfo
- Publication number
- CN109057046A CN109057046A CN201810742491.5A CN201810742491A CN109057046A CN 109057046 A CN109057046 A CN 109057046A CN 201810742491 A CN201810742491 A CN 201810742491A CN 109057046 A CN109057046 A CN 109057046A
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- precast
- unit
- column
- reinforcing bar
- groove
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- 238000010276 construction Methods 0.000 title claims abstract description 45
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 239000004567 concrete Substances 0.000 claims description 28
- 125000006850 spacer group Chemical group 0.000 claims description 11
- 235000010627 Phaseolus vulgaris Nutrition 0.000 claims description 8
- 244000046052 Phaseolus vulgaris Species 0.000 claims description 8
- 238000004873 anchoring Methods 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 5
- 210000003205 muscle Anatomy 0.000 claims description 5
- 239000011440 grout Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000005345 coagulation Methods 0.000 claims description 2
- 230000015271 coagulation Effects 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000011449 brick Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
- E04B1/5831—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially rectangular form
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/20—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
A kind of assembled integral beam-column node structure of additional closure connection reinforcing bar of the invention, including precast beam unit and precast column unit, the setting of precast beam unit end is fluted, and beam-ends reinforcing bar is provided in groove；Precast column unit upper end is provided with bracket, each precast beam unit one end rides on bracket, it is provided with closure reinforced steel bar ring between contiguous prefabricated beam end, and has poured pea gravel concreten in the connecting node of the groove of precast beam unit, closure reinforced steel bar ring and precast column unit setting up and down.The present invention can effectively reduce the workload of site operation, site operation does not need to do temporary support simultaneously, field operation amount is smaller, while the pea gravel concreten of the high grade of intensity is poured after the use of node recess region, meets the design principle of " strong node, weak component ".Site operation of the present invention does not need setting temporary support, and easy for construction, good seismic performance can shorten the construction period, and is suitble to promote and apply in a wide range of.
Description
Technical field
The present invention relates to brick or concrete duct field, the assembled integral bean column node of specifically a kind of additional closure connection reinforcing bar
Structure and construction method.
Background technique
In reinforced concrete frame structure, bean column node is the significant points for guaranteeing structural bearing capacity and ductility, beam column
Node undertakes and distributes moment of flexure and shearing, is the key position for guaranteeing structural integrity and preventing structure from occurring collapsing.Previous shake
Building damage investigation display afterwards, concrete beam and column node damage is the most serious, is the key that structural failure is caused even to be collapsed
Factor.Can concrete beam and column node region arrangement of reinforcement be complex simultaneously, guarantee that " strong node, weak component " is in design and construction
Limit assembly concrete popularization and application, especially middle high-intensity earthquake region popularization and application important restriction factor.
Reinforced concrete beam column node region is disposed with beam, column indulges muscle and stirrup, the reinforcing bar of node region are more and mutual
Staggeredly, cause available construction space narrow；Moreover, when being constructed using the form of construction work of precast assembly, precast beam
The connecting portion of column component is usually located at bean column node region, by being formed in prefabricated beam column concrete region domain after-pouring concrete
Concrete frame structure.Since reinforcing bar is more and construction space limits for bean column node region arrangement, template construction and coagulation is poured
Construction is more inconvenient when native, causes the concrete construction quality of node region lower, the performance requirement of " waiting cast-in-place " is not achieved.?
Existing beam-ends is reserved in the prefabrication and assembly construction concrete frame structure of keyway, and the space for reserving keyway is smaller, arranges bending reinforcing steel bar
Can effective reinforcing steel bar anchoring property, but difficulty of construction is larger, moreover, bending when arranging bending reinforcing steel bar
Connection reinforcing bar is easy to appear connection when deviation occurs in position due to disturbance when steel bar arrangement position deviation is larger or casting concrete
The problems such as reinforced steel bar strength cannot be met the requirements；When existing prefabrication and assembly construction concrete frame structure carries out construction and installation at the scene,
Beam column is required to the temporary support of temporary support, especially beam for the progress of serious limitation site operation, therefore solves prefabricated structure
Part temporary support in the construction process and installation are to promote the importance of building industrialization.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of additional closure connection reinforcing bar
Assembled integral beam-column node structure and construction method.
Technical solution: in order to solve the above technical problems, a kind of assembled integral of additional closure connection reinforcing bar of the invention
Beam-column node structure, including precast beam unit and precast column unit, the setting of precast beam unit end is fluted, is provided in groove
Beam-ends reinforcing bar；Precast column unit upper end is provided with bracket, and each precast beam unit one end rides on bracket, contiguous prefabricated beam end
Closure reinforced steel bar ring is provided between portion, and in the groove of precast beam unit, closure reinforced steel bar ring and prefabricated post setting up and down
The connecting node of component has poured pea gravel concreten.
Wherein, it is provided with spacer bar above bracket both ends, the bottom portion of groove of precast beam unit is provided with and spacer bar
The location hole of cooperation.
Wherein, precast beam unit is composite beam, and precast beam unit top stirrup is open stirrups.
Wherein, groove position stirrup encrypts, and groove length is not less than 1 times of deck-molding.
Wherein, the sidewall thickness of groove is not less than 2 times of thickness of concrete cover or 50mm, and the thickness of bottom portion of groove is not
Less than 50mm, 6mm is not less than when the roughness of groove inner wall is measured using heap micromicrofarad.
Wherein, the strength grade of a pea gravel concreten grade higher than the concrete strength of precast beam unit and precast column unit
It is real.
Wherein, precast column unit forms skewered column by the more prefabricated posts connected from top to bottom, and bracket is set to each prefabricated
Column upper end.
The present invention also provides a kind of construction method of the assembled integral beam-column node structure of additional closure connection reinforcing bar, packets
Include following steps:
S1: concrete prefabricated beam and precast column unit are made；Each prefabricated bracket in precast column unit upper end, on bracket
Spacer bar is set；It is attached muscle is indulged with column between upper and lower level precast column unit, single span precast beam unit is pre- as one
Component processed reserves groove and location hole at precast beam unit end, and groove inner wall is set as rough surface in production；Precast beam unit
For composite beam, for convenience of the construction of floor, the stirrup above precast beam unit uses U-stirrups；
S2: the on-site hoisting of precast beam unit and precast column unit；Precast beam unit and precast column unit transport construction
Scene carries out the assembly of prefabricated components, precast column unit is attached with basis using grout sleeve, then layering lifting is pre-
Precast beam unit left and right ends are respectively placed on the bracket connecting with prefabricated post by beam processed, while the positioning on bracket
Reinforcing bar should be inserted into positioning hole, complete the lifting construction at prefabricated components scene；
S3: arrangement is closed reinforced steel bar ring in the groove of precast beam unit and inside bean column node, and the connection for being closed reinforced steel bar ring is long
Degree should meet the requirement of anchoring strength, and the area for being closed reinforced steel bar ring meets the requirement of moment capacity；It is closed reinforced steel bar ring and prefabricated
The length for the beam-ends reinforcing bar that beam end is stretched out should meet the requirement of anchoring, and the two is uniform intervals arrangement or staggeredly bar splicing
Arrangement；
S4: groove and beam column nucleus pour the pea gravel concreten of a high strength grade, and pea gravel concreten is vibrated
It is closely knit；
S5: prestressing force laminated floor slab construction；After the completion of frame structure system construction, lifting prestressing force laminated floor slab is placed
On precast beam unit top, prestressing force laminated floor slab stretches out reinforcing bar and the stirrup of precast beam unit is attached, and then arranges building
Plate steel mesh, casting concrete complete floor slab construction.
The utility model has the advantages that the invention has the following advantages:
Using the groove arrangement beam-ends reinforcing bar of precast beam unit end, when site operation, can be to avoid template construction, effectively
Reduce bean column node casting concrete when workload, construct it is more convenient；Precast column unit can as a prefabricated components
Effectively to reduce lifting operation amount when site operation, accelerate construction progress；Prefabricated bracket and positioning is set in prefabricated post
Reinforcing bar, can be to avoid temporary support be arranged in hoisting process after beam installation is in place, and the connection reinforcing bar of precast beam unit is to close
Reinforced steel bar ring is closed, connection reinforcing bar is closure reinforced steel bar ring, and the two guarantees node connection using overlap joint or the form of uniform intervals arrangement
The overall performance of frame.The present invention can effectively reduce the workload of site operation, while site operation does not need to do temporarily
Support, field operation amount is smaller, while the pea gravel concreten of the high grade of intensity is poured after the use of node recess region, meets " strong
The design principle of node, weak component ".Site operation of the present invention do not need setting temporary support, it is easy for construction, anti-seismic performance compared with
It is good, it can shorten the construction period, be suitble to promote and apply in a wide range of.
Detailed description of the invention
Fig. 1 precast beam unit schematic three dimensional views；
Fig. 2 precast column unit schematic three dimensional views；
The prefabricated beam column component connecting portion structural map of Fig. 3；
Fig. 4 assembling frame Structure Beam-column position of joints structural map；
The three-dimensional schematic elevation view of Fig. 5 assembly concrete frame precast beam construction；
Fig. 6 assembly concrete frame precast beam construction three dimensional top schematic diagram；
The prefabricated beam column component of Fig. 7 assembly concrete frame structure connects three-dimensional schematic elevation view；
The prefabricated beam column component of Fig. 8 assembly concrete frame structure connects three-dimensional schematic side view.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
As shown in figures 1-8, the assembled integral beam-column node structure of a kind of additional closure connection reinforcing bar of the invention, including
Precast beam unit 2 and precast column unit 1,2 end of precast beam unit are arranged fluted 6, are provided with beam-ends reinforcing bar 8 in groove 6；In advance
1 upper end of column component processed is provided with bracket 3, and each 2 one end of precast beam unit rides on bracket 3, between contiguous prefabricated 2 end of beam
It is provided with closure reinforced steel bar ring 10, and in the groove of precast beam unit 26, closure reinforced steel bar ring 10 and prefabricated post setting up and down
The connecting node 11 of component 1 has poured pea gravel concreten.Precast column unit 1 is by more prefabricated post group bunchiness connecting from top to bottom
Column is burnt, bracket 3 is set to each prefabricated post upper end.Spacer bar 5, the groove 6 of precast beam unit 2 are provided with above 3 both ends of bracket
Bottom is provided with and the cooperation of spacer bar 5.Precast beam unit 2 is composite beam, and 2 top stirrup of precast beam unit is open stirrups.
The encryption of 6 position stirrup of groove, 6 length of groove are not less than 1 times of deck-molding.Concrete of the sidewall thickness of groove 6 not less than 2 times is protected
Covering thickness or 50mm, the thickness of 6 bottom of groove are not less than 50mm, when the roughness of 6 inner wall of groove is measured using heap micromicrofarad not
Less than 6mm.The strength grade of a pea gravel concreten grade higher than the concrete strength of precast beam unit 2 and precast column unit 1 is real.
The present invention also provides a kind of construction method of the assembled integral beam-column node structure of additional closure connection reinforcing bar, packets
Include following steps:
S1: concrete prefabricated beam 2 and precast column unit 1 are made；Each prefabricated bracket 3 in 1 upper end of precast column unit, in ox
Spacer bar 5 is set on leg 3；It is attached muscle is indulged with column between upper and lower level precast column unit 1, single span precast beam unit 2 is made
For a prefabricated components, groove 6 and location hole 9 are reserved at 2 end of precast beam unit, 6 inner wall of groove is set as coarse in production
Face；Precast beam unit 2 is composite beam, and for convenience of the construction of floor, the stirrup of 2 top of precast beam unit uses U-stirrups；
S2: the on-site hoisting of precast beam unit 2 and precast column unit 1；Precast beam unit 2 and precast column unit 1 transport
Construction site carries out the assembly of prefabricated components, precast column unit 1 is attached with basis using grout sleeve, then layering is hung
Precast beam unit 2 is filled, 2 left and right ends of precast beam unit are respectively placed on the bracket 3 connecting with prefabricated post, while bracket 3
On spacer bar 5 should be inserted into location hole 9, complete prefabricated components scene lifting construction；
S3: arrangement is closed reinforced steel bar ring 10 in the groove 6 of precast beam unit 2 and inside bean column node, closure reinforced steel bar ring 10
Connection length should meet the requirement of anchoring strength, and the area of closure reinforced steel bar ring 10 meets the requirement of moment capacity；It is closed reinforcing bar
The length for the beam-ends reinforcing bar 8 that ring 10 and 2 end of precast beam unit are stretched out should meet the requirement of anchoring, the two be uniform intervals arrange or
Staggeredly bar splicing is arranged；
S4: groove 6 and beam column nucleus pour the pea gravel concreten of a high strength grade, and pea gravel concreten is vibrated
It is closely knit；
S5: prestressing force laminated floor slab construction；After the completion of frame structure system construction, lifting prestressing force laminated floor slab is placed
On 2 top of precast beam unit, the overlapping layers 7 that prestressing force laminated floor slab stretches out reinforcing bar and precast beam unit 2 is attached, then cloth
Floor reinforced bar mesh is set, casting concrete completes floor slab construction.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of assembled integral beam-column node structure of additional closure connection reinforcing bar, it is characterised in that: including precast beam unit
And precast column unit, the setting of precast beam unit end is fluted, and beam-ends reinforcing bar is provided in groove；The setting of precast column unit upper end
There is bracket, each precast beam unit one end rides on bracket, closure reinforced steel bar ring is provided between contiguous prefabricated beam end, and
Microlith coagulation has been poured in the connecting node of the groove of precast beam unit, closure reinforced steel bar ring and precast column unit setting up and down
Soil.
2. a kind of assembled integral beam-column node structure of additional closure connection reinforcing bar according to claim 1, feature
It is: is provided with spacer bar above bracket both ends, the bottom portion of groove of precast beam unit is provided with is determined with what spacer bar cooperated
Position hole.
3. a kind of assembled integral beam-column node structure of additional closure connection reinforcing bar according to claim 1, feature
Be: precast beam unit is composite beam, and precast beam unit top stirrup is open stirrups.
4. a kind of assembled integral beam-column node structure of additional closure connection reinforcing bar according to claim 1, feature
Be: the encryption of groove position stirrup, groove length are not less than 1 times of deck-molding.
5. a kind of assembled integral beam-column node structure of additional closure connection reinforcing bar according to claim 1, feature
Be: the sidewall thickness of groove is not less than 2 times of thickness of concrete cover or 50mm, and the thickness of bottom portion of groove is not less than
50mm is not less than 6mm when the roughness of groove inner wall is measured using heap micromicrofarad.
6. a kind of assembled integral beam-column node structure of additional closure connection reinforcing bar according to claim 1, feature
Be: the strength grade of a pea gravel concreten grade higher than the concrete strength of precast beam unit and precast column unit is real.
7. a kind of assembled integral beam-column node structure of additional closure connection reinforcing bar according to claim 1, feature
Be: precast column unit forms skewered column by the more prefabricated posts connected from top to bottom, and bracket is set to each prefabricated post upper end.
8. a kind of construction method of the assembled integral beam-column node structure of additional closure connection reinforcing bar, which is characterized in that including
Following steps:
S1: concrete prefabricated beam and precast column unit are made；Each prefabricated bracket in precast column unit upper end, is arranged on bracket
Spacer bar；It is attached muscle is indulged with column between upper and lower level precast column unit, single span precast beam unit is as a prefabricated structure
Part reserves groove and location hole at precast beam unit end, and groove inner wall is set as rough surface in production；Precast beam unit is folded
Beam is closed, for convenience of the construction of floor, the stirrup above precast beam unit uses U-stirrups；
S2: the on-site hoisting of precast beam unit and precast column unit；Precast beam unit and precast column unit are transported to construction site
Precast column unit is attached with basis using grout sleeve, is then layered hoisting prefabricated beam by the assembly for carrying out prefabricated components
Precast beam unit left and right ends are respectively placed on the bracket connecting with prefabricated post by component, while the spacer bar on bracket
It should be inserted into positioning hole, complete the lifting construction at prefabricated components scene；
S3: arrangement closure reinforced steel bar ring, the connection length for being closed reinforced steel bar ring are answered in the groove of precast beam unit and inside bean column node
The requirement for meeting anchoring strength, the area for being closed reinforced steel bar ring meet the requirement of moment capacity；It is closed reinforced steel bar ring and precast beam structure
The length for the beam-ends reinforcing bar that part end is stretched out should meet the requirement of anchoring, the two bar splicing cloth for uniform intervals arrangement or staggeredly
It sets；
S4: groove and beam column nucleus pour the pea gravel concreten of a high strength grade, and by pea gravel concreten vibration compacting；
S5: prestressing force laminated floor slab construction；After the completion of frame structure system construction, lifting prestressing force laminated floor slab is placed in pre-
Beam top processed, prestressing force laminated floor slab stretches out reinforcing bar and the stirrup of precast beam unit is attached, and then arranges floor steel
Muscle net, casting concrete complete floor slab construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810742491.5A CN109057046A (en) | 2018-07-09 | 2018-07-09 | The assembled integral beam-column node structure and construction method of additional closure connection reinforcing bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810742491.5A CN109057046A (en) | 2018-07-09 | 2018-07-09 | The assembled integral beam-column node structure and construction method of additional closure connection reinforcing bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109057046A true CN109057046A (en) | 2018-12-21 |
Family
ID=64819583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810742491.5A Pending CN109057046A (en) | 2018-07-09 | 2018-07-09 | The assembled integral beam-column node structure and construction method of additional closure connection reinforcing bar |
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| CN (1) | CN109057046A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439116A (en) * | 2019-08-09 | 2019-11-12 | 昌大建筑科技有限公司 | Concrete assembles dry construction linked system entirely |
| CN110512728A (en) * | 2019-07-23 | 2019-11-29 | 江苏晟功建设集团有限公司 | A kind of assembled architecture overlapping lotus rhizome bean column node construction and its construction method |
| CN111485626A (en) * | 2019-01-25 | 2020-08-04 | 河南天久装配式建筑有限公司 | Lightweight sandwich reinforced concrete cow-leg column structure and construction method thereof |
| CN111502118A (en) * | 2020-04-14 | 2020-08-07 | 中铁第四勘察设计院集团有限公司 | Assembled combination beam and beam slab node |
| CN113216388A (en) * | 2021-06-04 | 2021-08-06 | 沈阳建筑大学 | Support-free assembled concrete beam column connecting structure and assembling method |
| CN113565204A (en) * | 2021-08-17 | 2021-10-29 | 江苏南通六建建设集团有限公司 | Composite structure column in-place reinforcement penetrating method earthquake-resistant joint structure and construction method |
| CN117926914A (en) * | 2024-03-20 | 2024-04-26 | 福建建工装配式建筑研究院有限公司 | Support-free assembled beam column node structure and mounting method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485626A (en) * | 2019-01-25 | 2020-08-04 | 河南天久装配式建筑有限公司 | Lightweight sandwich reinforced concrete cow-leg column structure and construction method thereof |
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| CN113565204A (en) * | 2021-08-17 | 2021-10-29 | 江苏南通六建建设集团有限公司 | Composite structure column in-place reinforcement penetrating method earthquake-resistant joint structure and construction method |
| CN117926914A (en) * | 2024-03-20 | 2024-04-26 | 福建建工装配式建筑研究院有限公司 | Support-free assembled beam column node structure and mounting method thereof |
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Application publication date: 20181221 |
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| RJ01 | Rejection of invention patent application after publication |